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Applied Physics A

, 124:274 | Cite as

Magneto-transport and magneto-optical studies on SnO2 transparent semiconducting thin films alloyed with Mn over a wide range of concentration

  • M. M. Bagheri Mohagheghi
  • Sh. Tabatabai Yazdi
  • M. Mousavi
Article

Abstract

In this work, Mn-alloyed tin oxide transparent thin films with different Mn concentrations up to 60 at% were prepared via the spray pyrolysis method, and their structural, magneto-optical, and magneto-transport properties were studied. The results show that all the deposited films are polycrystalline with the tetragonal rutile structure. The unit cell volume of Sn1−xMn x O2 films was found to be minimum at the Mn concentration of x = 0.15 indicating to two different mechanisms for Mn addition in the crystal lattice of tin oxide. For the films with Mn concentrations less than 15%, substitutional doping is the working mechanism, while for more Mn concentrations, interstitial one is predominant. A critical Mn concentration about that observed for the structural properties of the films (i.e., x = 0.15) was revealed for their magnetoresistance and magneto-optical properties, as well. This suggests a correlation between the structural and magnetic behaviors of the deposited SnO2:Mn films.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • M. M. Bagheri Mohagheghi
    • 1
  • Sh. Tabatabai Yazdi
    • 2
  • M. Mousavi
    • 3
  1. 1.School of PhysicsDamghan UniversityDamghanIran
  2. 2.Department of PhysicsPayame Noor University (PNU)TehranIran
  3. 3.Department of PhysicsUniversity of BojnordBojnordIran

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